题目内容
【题目】我国耕地当前面临的问题主要有（ ）
A．由于大面积垦荒，耕地不断扩大
B．由于大规模植树造林，使耕地迅速减少
C．由于水土流失、沙漠侵吞、盲目开发，使耕地迅速减少
D．由于国外农产品冲击，大批耕地被弃耕
【答案】C
【解析】
试题分析：
目前我国土地利用中存在着水土流失、沙漠侵吞、盲目开发等诸多问题，使耕地迅速减少。故选项C符合题意；选项A、B、D不符合题意。答案为C。
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【题目】
A flying disk(飞碟)is made of plastic(塑料).It was back in the 1950s.A group of college students came into a restaurant to eat some apple pies.After eating the apple pies,they felt bored,so they wanted to play a game.They threw the plates here and there.In this way,the flying disk came into being. |
A camera is used for taking photos.It was invented in 1827 by Joseph in Italy.It's often used by the photographers to take pictures.There are many fascinating pictures to be taken in order to help you to remember the beautiful views. |
An umbrella is a most useful tool.It was invented over 4,000 years ago.It was invented in China and Egypt.It's used for keeping the rain out.When the sun is shining in the sky,an umbrella is also used to keep the sun out.It is still used today. |
A bike is a very useful tool in the world today.It is very cheap to travel on your bike.Taking a trip by bike is pleasant,because you can enjoy the beautiful sunshine in autumn and you can share the cool fresh air in summer.Riding a bike is good for the environment. |
【1】The flying disk is used for .
A. taking photos
B. playing a game
C. keeping the rain out
【2】The first camera was invented by .
A. an Italian B. a Chinese C. a college student
【3】Taking a trip by bike is pleasant because .
A. it is very fast
B. you can get close to nature
C. it can keep the sun out
【4】The invention“ ”has the longest history of the three.
A. a flying disk
B. a camera
C. an umbrella
【5】Which of the following is TRUE?
A. The camera was made in the 1950s.
B. The flying disk was invented by Joseph.
C. The umbrella was invented in China and Egypt.
